DevOps Engineer (Mid-Senior Level)
Location: Athens or Thessaloniki
Model: Remote
Salary: 50,000 - 60,000 Euros gross
Role Overview
We are looking for a Mid-Senior Level DevOps Engineer to join our engineering team and take ownership of key infrastructure systems. You will manage and evolve our internal NOC platforms and our production-grade Cloud Platform called Liquid Cloud, which is built on Proxmox VE, OpenStack, CEPH, and KVM clusters.
You will contribute to automation, observability, service migrations from/to public cloud (Azure, AWS, GCP), and backend operations. This is a hands-on role with real impact on system reliability and scalability.
Key Responsibilities
- Operate and improve NOC systems and Liquid Cloud infrastructure (Proxmox, OpenStack, CEPH, KVM)
- Plan and execute cloud migration projects (Azure, AWS, GCP → Liquid Cloud) with risk control
- Automate infrastructure using Ansible, Terraform, and GitLab CI
- Monitor with Zabbix, Prometheus, Grafana, and Elastic Stack (ELK)
- Develop infrastructure tools and automation scripts (Python, Bash, Node.js)
- Administer databases: MySQL, PostgreSQL, and key-value stores (Redis, Valkey)
- Support NAS, shared storage systems, and Linux HA clusters (Corosync, Pacemaker)
- Administrate, Operate and Maintain RabbitMQ or equivalent message queues
- Administrate, Operate and Maintain time-series/analytics DBs: ClickHouse, InfluxDB, TimescaleDB
- Be available 24/7 if necessary for critical support or incident response
Requirements
- 5+ years in DevOps, SRE, or Linux infrastructure roles
- Deep Linux systems knowledge (Debian/Ubuntu or RHEL/CentOS)
- Experience with:
- * Proxmox VE, OpenStack, KVM, CEPH
- * Azure, AWS, GCP (with migration experience)
- * Ansible, Terraform, CI/CD pipelines
- * Monitoring and observability tools
- * SQL/NoSQL databases
- * Redis, Valkey or similar
- * RabbitMQ or similar
- Strong scripting in Python and Bash
- Team spirit, ownership mentality, and eagerness to learn
- Bonus: backend/API development experience
